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Zein, A., Ashry, M., El-Nady, M., Abdel-dayem, S. (2012). EFFECT OF BISPYRIBAC-SODIUM ON Oryza sativa, Echinochloa crus-galli AND Echinochloa colonum UNDER EGYPTIAN ECOSYSTEM. Journal of Plant Protection and Pathology, 3(6), 517-532. doi: 10.21608/jppp.2012.83793
A. A. Zein; M. A. Ashry; M. F. El-Nady; SH. M. Abdel-dayem. "EFFECT OF BISPYRIBAC-SODIUM ON Oryza sativa, Echinochloa crus-galli AND Echinochloa colonum UNDER EGYPTIAN ECOSYSTEM". Journal of Plant Protection and Pathology, 3, 6, 2012, 517-532. doi: 10.21608/jppp.2012.83793
Zein, A., Ashry, M., El-Nady, M., Abdel-dayem, S. (2012). 'EFFECT OF BISPYRIBAC-SODIUM ON Oryza sativa, Echinochloa crus-galli AND Echinochloa colonum UNDER EGYPTIAN ECOSYSTEM', Journal of Plant Protection and Pathology, 3(6), pp. 517-532. doi: 10.21608/jppp.2012.83793
Zein, A., Ashry, M., El-Nady, M., Abdel-dayem, S. EFFECT OF BISPYRIBAC-SODIUM ON Oryza sativa, Echinochloa crus-galli AND Echinochloa colonum UNDER EGYPTIAN ECOSYSTEM. Journal of Plant Protection and Pathology, 2012; 3(6): 517-532. doi: 10.21608/jppp.2012.83793

EFFECT OF BISPYRIBAC-SODIUM ON Oryza sativa, Echinochloa crus-galli AND Echinochloa colonum UNDER EGYPTIAN ECOSYSTEM

Article 2, Volume 3, Issue 6, June 2012, Page 517-532  XML PDF (591.82 K)
Document Type: Original Article
DOI: 10.21608/jppp.2012.83793
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Authors
A. A. Zein1; M. A. Ashry1; M. F. El-Nady2; SH. M. Abdel-dayem3
1Dept. of Pesticides Fac. of Agric., Kafrelsheikh Univ., Egypt
2Dept. of Agric. Botany, Fac. of Agric., Kafrelsheikh Univ., Egypt
3Dept. of Pesticides Fac. of Agric., Kafrelsheikh Univ., Egypt
Abstract
The objectives of this investigation were to study the effect of herbicide bispyribac-sodium at rate of 16 g a.i/fed on Oryza sativ (L.) cv. Sakha 104, Echinochloa crus-galli (L.) and Echinochloa colonum (L.) grown under Egyptian ecosystem (Nile delta ecosystem). Morpho-physiological changes were take into account were growth reduction, chlorophyll pigment content reduction and reduction of some anatomical leaf parameters in O. sativa, E. crus-galli and E. colonum treated with tested herbicide. Moreover, increasing in membrane integrity (permeability) and leaf water deficit and reducing in leaf water contents were obtained in all tested plants treated with bispyribac-sodium. Ultrastructural changes in tested plants after bispyribac-sodium foliar application were noticed as cytotoxic features (programmed cell death). Cytotoxic features were take into account were mesophyll cell plasmolysis, irregular, granular nucleus, reduction in thylakoid membranes in treated plants compared with untreated plants. The obtained results will improve our understanding to tested herbicide mode of action, which may be overcome or reduce the side effects on non-target plant (O. sativa).   
Keywords
Membrane integrity; chlorophyll; cell plasmolysis; cytotoxic features; programmed cell death; thylakoid membrane; leaf water deficit
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